<div class="col">
    <a class="collection-item" href="<?= yii\helpers\Url::to(['collection/item-view', 'id' => $collectionId, 'itemId' => $model->id]) ?>">
        <div class="img-container">
            <img src="<?= 'https://storage.yandexcloud.net/' . tkan\models\FondItem::BUCKET_NAME . '/' . $model->prev_img; ?>">
        </div>
    </a>
</div>